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1311444600245 = 513127158866699
BaseRepresentation
bin10011000101011000001…
…100001000010110110101
311122101001211101101100022
4103011120030020112311
5132441314304201440
62442245213054525
7163514551114013
oct23053014102665
94571054341308
101311444600245
114661a93187aa
12192200187445
139689017aa50
144768d50d8b3
15241a8a37cb5
hex131583085b5

1311444600245 has 16 divisors (see below), whose sum is σ = 1708134758400. Its totient is φ = 960825789504.

The previous prime is 1311444600223. The next prime is 1311444600259. The reversal of 1311444600245 is 5420064441131.

It is a cyclic number.

It is not a de Polignac number, because 1311444600245 - 26 = 1311444600181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79425095 + ... + 79441604.

It is an arithmetic number, because the mean of its divisors is an integer number (106758422400).

Almost surely, 21311444600245 is an apocalyptic number.

It is an amenable number.

1311444600245 is a deficient number, since it is larger than the sum of its proper divisors (396690158155).

1311444600245 is a wasteful number, since it uses less digits than its factorization.

1311444600245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158866844.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 1311444600245 in words is "one trillion, three hundred eleven billion, four hundred forty-four million, six hundred thousand, two hundred forty-five".

Divisors: 1 5 13 65 127 635 1651 8255 158866699 794333495 2065267087 10326335435 20176070773 100880353865 262288920049 1311444600245